diff --git a/.github/workflows/python-test.yml b/.github/workflows/python-test.yml
index 1f5c501..c4cb91e 100644
--- a/.github/workflows/python-test.yml
+++ b/.github/workflows/python-test.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        python-version: ['3.8', '3.11']
+        python-version: ['3.8', '3.12']
         poetry-version: [1.1.13]
       fail-fast: false
     runs-on: ${{ matrix.os }}
diff --git a/pyproject.toml b/pyproject.toml
index 5e3acb6..b863aa3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyndl"
-version = "1.2.2"
+version = "1.2.3"
 description = "Naive discriminative learning implements learning and classification models based on the Rescorla-Wagner equations."
 
 license = "MIT"
@@ -28,29 +28,30 @@ classifiers = ['Development Status :: 5 - Production/Stable',
                'Topic :: Scientific/Engineering :: Information Analysis',]
 
 [tool.poetry.dependencies]
-python = ">=3.8,<3.12"  # Compatible python versions must be declared here
-numpy = "^1.23.1"
-scipy = "^1.9.0"
-pandas = "^1.4.3"
-xarray = "^2022.6.0"
-netCDF4 = "^1.6.0"
-Cython = "^3.0.0"
+python = ">=3.8"  # Compatible python versions must be declared here
+numpy = ">=1.23.1"
+scipy = ">=1.9.0"
+pandas = ">=1.4.3"
+xarray = ">=2022.6.0"
+netCDF4 = ">=1.6.0"
+Cython = ">=3.0.0"
+toml = ">=0.10.2"
 
 [tool.poetry.dev-dependencies]
-pytest = "^7.0"
-pytest-cov = "^2.4"
-pydocstyle = "^6.1.1"
-flake8 = "^4.0.1"
-sphinx = "^1.4"
-sphinx_rtd_theme = "^1.0.0"
-notebook = "^6.4.10"
-seaborn = "^0.12.1"
-numpydoc = "^1.2"
-sphinx-copybutton = "^0.5.1"
-pylint = "^2.0.0"
-nbsphinx = "^0.8.8"
-vulture = "^2.3"
-Jinja2 = "<3.1.0"
+pytest = ">=7.0"
+pytest-cov = ">=2.4"
+pydocstyle = ">=6.1.1"
+flake8 = ">=4.0.1"
+sphinx = ">=1.4"
+sphinx_rtd_theme = ">=1.0.0"
+notebook = ">=6.4.10"
+seaborn = ">=0.12.1"
+numpydoc = ">=1.2"
+sphinx-copybutton = ">=0.5.1"
+pylint = ">=2.0.0"
+nbsphinx = ">=0.8.8"
+vulture = ">=2.3"
+Jinja2 = ">=3.1.0"
 
 [tool.pytest.ini_options]
 addopts = '--doctest-glob "*.rst"'